Photo frame



FIG. 1 is a front elevational view of a photo frame showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Portions of the figures that are shown as broken lines are for illustrative purpose only and form no part of the claimed design.

FIG. 6 is a reference front elevational view of the photo frame, showing a line VII—VII; and,

FIG. 7 is a reference cross-sectional view thereof, taken along the line VII—VII in the direction of arrows of FIG. 6. 

The ornamental design for a photo frame, as shown and described. 